A 3-way wiring diagram is a type of electrical diagram that shows how to wire a circuit with three switches that control a single light fixture. This type of wiring is commonly used in hallways, stairwells, and other areas where it is necessary to control a light from multiple locations.
Read the rest >A four-way switch allows for the control of a single light or outlet from four different locations. This type of wiring is often used in hallways, stairwells, and other areas where it is convenient to have multiple control points.
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